CN203441768U - Mine submersible electric pump with shell of double-interlayer structure - Google Patents
Mine submersible electric pump with shell of double-interlayer structure Download PDFInfo
- Publication number
- CN203441768U CN203441768U CN201320512539.6U CN201320512539U CN203441768U CN 203441768 U CN203441768 U CN 203441768U CN 201320512539 U CN201320512539 U CN 201320512539U CN 203441768 U CN203441768 U CN 203441768U
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- China
- Prior art keywords
- pump
- housing
- submersible electric
- double
- double sandwich
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Abstract
The utility model provides a mine submersible electric pump with a shell of a double-interlayer structure, and belongs to the field of submersible electric pumps. The mine submersible electric pump comprises a motor assembly and a pump assembly, wherein the motor assembly and the pump assembly are arranged on a base in an up-down mode. The motor assembly comprises a winding stator iron core, a rotor, an upper bearing base and a lower bearing base, and the pump assembly comprises a pump shaft, a pump body and an impeller. The pump assembly and the motor assembly are in bolt connection. An upper inner spigot of a double-interlayer shell is matched with an outer spigot of the upper bearing base, a lower inner spigot of the double-interlayer shell is connected with an outer spigot of the lower bearing base, the lower bearing base is downward connected with a sealing chamber cover through a bolt, a mechanical seal is arranged between the lower bearing base and the sealing chamber cover, the impeller is arranged in a volute, the impeller is fixed to a stator shaft through a shaft shoulder, a key and a retaining screw, the volute is connected with a short tube connector, the short tube connector is communicated with a long tube connector, and the long tube connector is connected with the double-interlayer shell through threads. The mine submersible electric pump can well cool a motor, has good corrosion resistance, and can prolong service life and meet practical needs.
Description
Technical field
The utility model relates to a kind of Submerged Motor Pumps, and specifically a kind of housing is the mining submersible electric pump of double sandwich structure.
Background technique
At present, there are a lot of problems in mining submersible electric pump on project organization, such as the structure problem of housing.The motor of mining submersible electric pump can only lean on outside liquid to cool now, this can not get cooling timely with regard to the amount of heat that the work of motor overpower is produced, and cause motor to burn out, thereby affect the normal operation of mining submersible electric pump, reduce the working life of mining submersible electric pump, on the other hand, in the normally used environment of mining submersible electric pump, the medium of user's discharge is to contain acid mostly, the sewage of alkali, these sewage can corrode the housing of mining submersible electric pump, the material of conventional housing is generally Q235 or 20# steel, and the decay resistance of Q235 or 20# steel is general, this just makes housing very easily be corroded in the working environment of mining submersible electric pump, be difficult to meet user's actual demand.
Summary of the invention
Technical assignment of the present utility model is for the deficiencies in the prior art, and a kind of cooling motor being better provided, effectively reducing the housing that burn into extends water pump working life is the mining submersible electric pump of double sandwich structure.
The utility model solves the technological scheme that its technical problem adopts:
Housing is a mining submersible electric pump for double sandwich structure, comprises the electric machine assembly and the pump assembly that are arranged in up and down on base, and described electric machine assembly includes winding stator core, rotor and upper and lower bearing support, and described pump assembly comprises pump shaft, the pump housing, impeller.Electric machine assembly is connected with pump assembly bolt.Wherein, the upper inner stopper of described double sandwich housing coordinates with upper bearing bracket outer stopper, the lower inner stopper of double sandwich housing coordinates with the outer stopper of step, step is connecting sealing chamber cap downwards by bolt, between step and sealing chamber cap, there is mechanical seal, there is impeller described spiral case inside, and described impeller is fixed on rotor shaft by the shaft shoulder, key and stopping screw.
The material of described double sandwich housing is austenite 304 stainless steels.
On described spiral case, be connected with source nipple, source nipple communicates with long tube joint, and described long tube joint and double sandwich housing are threaded connection.
The material of described long tube joint and source nipple is austenite 304 stainless steels.
Compared with prior art, the beneficial effect producing is the stainless mining submersible electric pump of a kind of employing austenite 304 of the present utility model:
The utility model is owing to adopting double sandwich housing, and cooling motor better extends working life of mining submersible electric pump; Housing adopts austenite 304 stainless steels, and its outward appearance is beautiful, has good corrosion resistance, can meet better user's actual demand.
Accompanying drawing explanation
Accompanying drawing 1 is structural representation of the present utility model.
Accompanying drawing 2 is double sandwich shell construction plan view.
In figure: 1. cable, 2. wire outlet box cover, 3. upper bearing bracket, 4. bearing, 5. inner stopper on double sandwich housing, 51., 52. times inner stoppers, 53. housings and long tube connector interfaces, 6. have winding stator core, 7. rotor, 8. bearing, 9. step, 10. mechanical seal, 11. sealing chamber caps, 12. spiral cases, 13. impellers, 14. pump covers, 15. bases, 16. long tube joints, 17. source nipples.
Embodiment
Below in conjunction with 1,2 pairs of the utility model of accompanying drawing, be described in detail below.
By reference to the accompanying drawings 1,2, a kind of housing of the present utility model is the mining submersible electric pump of double sandwich structure, comprise the electric machine assembly and the pump assembly that are arranged in up and down on base 15, described electric machine assembly includes winding stator core 6, rotor 7, upper bearing bracket 3 and step 9, and described pump assembly comprises pump shaft, the pump housing, impeller 13.Electric machine assembly is connected with pump assembly bolt.Wherein, described material is that the upper inner stopper 51 of the stainless double sandwich housing 5 of austenite 304 coordinates with upper bearing bracket 3 outer stoppers, the lower inner stopper 52 of double sandwich housing 5 coordinates with the outer stopper of step 9, step 9 is connecting sealing chamber cap 11 downwards by bolt, between step 9 and sealing chamber cap 11, there is mechanical seal 10, there is impeller 13 described spiral case 12 inside, and described impeller 13 is fixed on rotor shaft by the shaft shoulder, key and stopping screw.On described spiral case 12, be connected with source nipple 17, source nipple 17 communicates with long tube joint 16, and described long tube joint 16 is threaded connection with double sandwich housing 5, and long tube joint 16 is austenite 304 stainless steels with the material of source nipple 17.
In mining submersible electric pump running, the liquid of the skin of double sandwich housing 5 and user discharge contact the cooling motor generating heat because of work, internal layer is by spiral case 12, source nipple 17,16 li of flowing liquid cooling motors of long tube joint, realized two cooling to motor, extend the working life of motor, thereby reached, extended the mining submersible electric pump object in working life.
The mining submersible electric pump processing and fabricating that a kind of housing of the present utility model is double sandwich structure is simple and convenient, processing and fabricating shown in by specification accompanying drawing.
Except the technical characteristics described in specification, be the known technology of those skilled in the art.
Claims (4)
1. the mining submersible electric pump that housing is double sandwich structure, comprise the electric machine assembly and the pump assembly that are arranged in up and down on base (15), described electric machine assembly includes winding stator core (6), rotor (7), upper bearing bracket (3) and step (9), described pump assembly comprises pump shaft, the pump housing, impeller (13), electric machine assembly is connected with pump assembly bolt, it is characterized in that: the upper inner stopper (51) of described double sandwich housing (5) coordinates with upper bearing bracket (3) outer stopper, the lower inner stopper (52) of double sandwich housing (5) coordinates with the outer stopper of step (9), described step (9) is connecting sealing chamber cap (11) downwards by bolt, between step (9) and sealing chamber cap (11), there is mechanical seal (10), there is impeller (13) described spiral case (12) inside, described impeller (13) passes through the shaft shoulder, key, be fixed on rotor shaft with stopping screw.
2. the mining submersible electric pump that a kind of housing according to claim 1 is double sandwich structure, is characterized in that: the material of described double sandwich housing (5) is austenite 304 stainless steels.
3. the mining submersible electric pump that a kind of housing according to claim 2 is double sandwich structure, it is characterized in that: on described spiral case (12), be connected with source nipple (17), described source nipple (17) communicates with long tube joint (16), and described long tube joint (16) is threaded connection with double sandwich housing (5).
4. the mining submersible electric pump that a kind of housing according to claim 3 is double sandwich structure, is characterized in that: described long tube joint (16) is austenite 304 stainless steels with the material of source nipple (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512539.6U CN203441768U (en) | 2013-08-22 | 2013-08-22 | Mine submersible electric pump with shell of double-interlayer structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512539.6U CN203441768U (en) | 2013-08-22 | 2013-08-22 | Mine submersible electric pump with shell of double-interlayer structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203441768U true CN203441768U (en) | 2014-02-19 |
Family
ID=50092827
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320512539.6U Expired - Fee Related CN203441768U (en) | 2013-08-22 | 2013-08-22 | Mine submersible electric pump with shell of double-interlayer structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203441768U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876811A (en) * | 2022-06-02 | 2022-08-09 | 越连机电有限公司 | Submersible sewage pump with stainless steel overflowing part |
-
2013
- 2013-08-22 CN CN201320512539.6U patent/CN203441768U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114876811A (en) * | 2022-06-02 | 2022-08-09 | 越连机电有限公司 | Submersible sewage pump with stainless steel overflowing part |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140219 Termination date: 20160822 |